Donkin type spring 399.620WG
- Made:
- 1950-1990
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Science Museum Group
© The Board of Trustees of the Science Museum
Donkin type spring 399.620WG, setting 9.8, gas meter service governor to restrict the pressure to 22mbar, straight connection, 1950-1990.
Details
- Category:
- Gas Industry
- Object Number:
- 1995-697
- Materials:
- object, cast aluminium
- type:
- govermor
- credit:
- British Gas plc. South Eastern
